Apfelkorn is an alcoholic bevereage, commonly referred to as 'The Drink of the Gods', or 'That Amber Liquid'. Taken in shots, it is much more potent than that sissy vodka, and is the best thing to come out of Germany since... well, it's the best thing to come out of Germany.

Freddie: "What is this delicious necter that graces my mouth with it's sweet, yet alcoholic taste?"
Barkeep: "Why, kind sir, that is Apfelkorn - the Drink of the Gods!"